Ok I bite the bullet and I tried the mixture screws on the carby.Did as was told screwed them in all the way and then screwed them out 1/4 turns at a time. Continued doing this until I could visible see that the screws were so far out I swear I seen a china man dangling from the ends of them.Way to far out.All with not one sliest kick.No signs of life at all.The only problem I have now.Is how the heck and I'm going to get it going now.I now have an unturned carby as well as what ever the other issue is.I really (as I said before) believe it's not a carby issue.Surely these carby's would work on a similar principle as a car engine.They use to work on the principle of all the way in and then 1 and a half turns out,would at least get it started then go from there.Could this work the same? I hope so as at least that would give me a starting point with the carby.Could the problem be that even-though it has spark could it just be a little to weak to cause the big bang?Then another bang and another and so and on and...,you know what I mean.I just can't understand it.I've never had an engine where everything appears to work but yet no go.[Censored] frustrating.Ok let me know what you think guys any help will do.Even the most silliest idea could lead to a solution.After all that's what this forum is good for people with the same interest throwing ideas around.Thanks all.